"Project" can be used as a verb meaning "to throw or cast forward" or "to plan or design something for the future." The "-or" ending in "projector" indicates that it is a noun referring to something that projects something else.
"Project" can be used as a verb meaning "to throw or cast forward" or "to plan or design something for the future." The "-or" ending in "projector" indicates that it is a noun referring to something that projects something else.